Sinophor® FP-127 / fluorescent Brightener 378 CAS 40470-68-6

fluorescent Brightener 378 Quick Details

Product Name: 4,4′-Bis(2-Methoxystyryl)biphenyl / Fluorescent Brightener CBS-127/ fluorescent Brightener 378

CAS No: 40470-68-6

Molecular Formula: C30H26O2

Molecular Weight: 418.53

fluorescent Brightener 378 Structure:

fluorescent Brightener 378 Structure

Appearance: pale yellow powder

Purity: 99%



fluorescent Brightener 378 TypicalProperties

Item Specifications
Appearance pale yellow powder
Water ≤0.5%
Ash ≤0.5%
Melting point 219-221℃
Assay ≥99%

fluorescent Brightener 378 Usage

  1. Used for whitening of PVC and polystyrene products and other thermoplastics
  2. Used for artificial leather, synthetic leather whitening and printing ink coatings.

Properties of fluorescent Brightener 378

Optical Brightener FP-127 is insoluble in water, but soluble in common organic solvents, with the maximum absorption wavelength of 368 nm and the maximum emission wavelength of 436 nm. It has strong acid and alkali resistance, high whiteness, with small dosage producing very good whitening effect. Brightener FP-127 has good compatibility with plastics, high temperature resistance and excellent weather resistance.

Applications of fluorescent Brightener 378

Optical Brightener FP-127 has a good whitening effect on all kinds of plastics and plastic products, especially for PVC, polypropylene and other plastic products. It is ideal for the whitening and brightening effect of artificial leather products, and also be used for the whitening and brightening of other thermoplastic plastics, coatings, inks, synthetic fibers, etc.. Brightener FP-127 has the advantages of long-term storage without yellowing and fading. The similar products is uvitex FP.


fluorescent Brightener 378 Package

25kg/fiber drum

fluorescent Brightener 378 Storage

Stored in cool dry ventilated warehouse

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